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Re: Load balancing

From: Ross Markbreiter
Date: Friday, October 19, 2001
Time: 2:30:55 pm

Sorry, trying to work fast.
I am talking with the router guy to see if it is a NAT issue.
Thanks Ross

>You're going to have to be less cryptic. What are the "two running" and
>the "two new"?
>
>If you can't connect from QuickDNS Manager to a QuickDNS server using the
>internal IP address, then make sure that QuickDNS Remote is running on the
>server.
>____________________________________________________________________
>Chris Buxton Men & Mice
>support@menandmice.com Making DNS Easy
>
>At 10:37 AM -0700 10/19/01, Ross Markbreiter wrote:
>>I am using the internal Ip of the server, it works for the two running
>>buththe two new it does not.
>>I can connect with a browser to outside and ping the server but cannot
>>connect with QDNS Manager, frustrated.
>>Thanks Ross
>>
>>>This sounds like the NAT server issue I was mentioning earlier. With
>>>most NAT servers, you can't connect between inside machines using the
>>>public IP address - the port mapping doesn't work, because the NAT
>>>doesn't work right. It sounds like your NAT server has this problem.
>>>
>>>Just to be sure: Are you using the public name of your server, or its
>>>internal IP address?
>>>____________________________________________________________________
>>>Chris Buxton Men & Mice
>>>support@menandmice.com Making DNS Easy
>>>
>>>At 3:44 PM -0700 10/18/01, Ross Markbreiter wrote:
>>>> Hmm. is there any other port needs to be open? I cannot connect to a
>>>> new server I am testing out on a backup dns server.
>>>> I can get out on the internet with the server but cannot connect
>>>> QDNS manager to it, I opened port 1337
>>>>Thanks for your time.
>>>>
>>>>>QuickDNS Manager uses port 1337/TCP.
>>>>>QuickDNS Load Balancer uses port 80/TCP to talk to the web servers.
>>>>>____________________________________________________________________
>>>>>Chris Buxton Men & Mice
>>>>>support@menandmice.com Making DNS Easy
>>>>>
>>>>>At 1:42 PM -0700 10/18/01, Ross Markbreiter wrote:
>>>>>>What port is needed to have QDNS manager connect to it?
>>>>>>
>>>>>>>Right. And that's why QuickDNS Load Balancer thinks that the web
>>>>>>>server inside the NAT server is not responding.
>>>>>>>
>>>>>>>I'm afraid I don't have a solution for you, though, other than to
>>>>>>>replace the Cisco NAT server with something that's able to do
>>>>>>>two-way NAT, or else to put your servers on a DMZ (if the router
>>>>>>>supports that).
>>>>>>>____________________________________________________________________
>>>>>>>Chris Buxton Men & Mice
>>>>>>>support@menandmice.com Making DNS Easy
>>>>>>>
>>>>>>>At 7:15 PM -0700 10/17/01, Ross Markbreiter wrote:
>>>>>>>>Oh! From inside the network I cannot connect to
>>>>>>>><http://38.228.178.2/>, only outside.
>>>>>>>>
>>>>>>>>>That's not exactly what I expected. :-\
>>>>>>>>>
>>>>>>>>>If you can connect, from the inside, to <http://38.228.178.2/>,
>>>>>>>>>then the question becomes, why can't QuickDNS Load Balancer?
>>>>>>>>>____________________________________________________________________
>>>>>>>>>Chris Buxton Men & Mice
>>>>>>>>>support@menandmice.com Making DNS Easy
>>>>>>>>>
>>>>>>>>>At 6:07 PM -0700 10/17/01, Ross Markbreiter wrote:
>>>>>>>>>>We can connect to ciscorouter.com from inside the network yes.
>>>>>>>>>>
>>>>>>>>>>>Well, something's changed. From another machine inside the NAT
>>>>>>>>>>>server, can you connect to <http://ciscorouter.com/>? Could you
>>>>>>>>>>>connect to that URL with the previous NAT server?
>>>>>>>>>>>____________________________________________________________________
>>>>>>>>>>>Chris Buxton Men & Mice
>>>>>>>>>>>support@menandmice.com Making DNS Easy
>>>>>>>>>>>
>>>>>>>>>>>At 4:38 PM -0700 10/17/01, Ross Markbreiter wrote:
>>>>>>>>>>>>Chris,
>>>>>>>>>>>>\We changed from CISCO1601 to A CISCO1720 because we added
>a backup Line to the network.
>>>>>>>>>>>>The router is providing NAT service as it was with the 1601
>>>>>>>>>>>>Ross
>>>>>>>>>>>>
>>>>>>>>>>>>>Ross,
>>>>>>>>>>>>>
>>>>>>>>>>>>>Changed from what router to what other router? And why?
>And is the router providing NAT service?
>>>>>>>>>>>>>
>>>>>>>>>>>>>If NAT service is involved, then that is the problem.
>With many NAT servers, a connection from inside the LAN to the public IP
>address on a port-mapped port doesn't work.
>>>>>>>>>>>>>
>>>>>>>>>>>>>This doesn't affect www.48hourdiet.com because, in that
>case, neither web server is behind your NAT server.
>>>>>>>>>>>>>_______________________________________________________________
>>>>>>>>>>>>>_____
>>>>>>>>>>>>>Chris Buxton
>Men & Mice
>>>>>>>>>>>>>support@menandmice.com
>Making DNS Easy
>>>>>>>>>>>>>
>>>>>>>>>>>>>At 12:08 PM -0700 10/17/01, Ross Markbreiter wrote:
>>>>>>>>>>>>>>Chris,
>>>>>>>>>>>>>>We changed routers? but it has the same info on it? and
>>>the Zone 48hourdiet.com has a load balance record and it works right?
>>>>>>>>>>>>>>The only difference is that 48hourdiet.com is on a 12.xxx.
>>>>>>>>>>>>>>network
>>>>>>>>>>>>>>Ross
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>Ross,
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>Do you have a NAT server involved in your setup? Or have
>>>you recently changed anything on your network?
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>We tested your data, and it works fine for us.
>>>>>>>>>>>>>>>_______________________________________________________________
>_____
>>>>>>>>>>>>>>>Chris Buxton
>>>Men & Mice
>>>>>>>>>>>>>>>support@menandmice.com
>>>Making DNS Easy
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>At 5:54 PM -0700 10/16/01, Ross Markbreiter wrote:
>>>>>>>>>>>>>>>>Ok. I sent it.
>At 4:37 PM -0700 10/16/01, Ross Markbreiter wrote:
>>I can restarted the entire server?
>>Is it still think it is not up?
>
>smtp.thewwwstore.com thinks the web server is down.
>>>>>smtp2.thewwwstore.com thinks both web servers are down.
>
>Maybe you should send us your QuickDNS Data folder from
>>>>>smtp.thewwwstore.com. Send a compressed copy of it to
>>>>><support@menandmice.com>
>>>>Were would I put this enrty?
>>>>>If you keep www.worldwidewebstore.com as the load balance
>>>>>>>>>record, then you would replace the other load balance record with
>>>>>>>>>this:
>>>>>
>>>>>www.ciscorouter.com. CNAME www.worldwidewebstore.com.
>>>
>>>In the ciscorouter.com zone. You would delete the load
>>>>>>>balance record and enter instead the CNAME record.
>>
>>So for Ciscorouter.com delete the load balance record,
>>>>>>>make a CNAME entry that would be www.worldwidewebstore.com
>>I do not understand how does this cover the domain name if
>>>>>>>one of the servers are down?
>
>If you create the CNAME record given above in place of
>>>>>the load balance record in the ciscorouter.com zone, then
>>>>>www.ciscorouter.com will have exactly the same load balancing
>>>>>characteristics as www.worldwidewebstore.com.
>
>The CNAME record creates an alias (the name on the left).
>>>>>An alias gains all the properties of the original (the name on the right).
>_______________________________________________________________
>>>_____
>Chris Buxton
>>>>>Men & Mice
>support@menandmice.com
>>>>>Making DNS Easy
>>>>>>Hi Chris,
>>>>>>That is bizarre?
>>>>>
>>>>>Yes, it is strange.
>>>>>
>>>>>>I just checked and both have 38.228.178.2 9999 is the
>>>>>>>preference
>>>>>
>>>>>Have you tried rebooting the QuickDNS servers?
>>>>>
>>>>>>I do not know how to setup a CNAME
>>>>>
>>>>>If you keep www.worldwidewebstore.com as the load balance
>>>>>>>>>record, then you would replace the other load balance record with
>>>>>>>>>this:
>>>>>
>>>>>www.ciscorouter.com. CNAME www.worldwidewebstore.com.
>>>>>
>>>>>>Anything else I should check for?
>>>>>
>>>>>If rebooting doesn't solve it, try deleting and
>>>>>>>>>recreating one of these load balance records.
>>>>>_______________________________________________________________
>>>>>>>_____
>>>>>Chris Buxton
>>>>>>>>>Men & Mice
>>>>>support@menandmice.com
>>>>>>>>>Making DNS Easy
>>>>>>>Both of your DNS servers are giving out the 12.x.x.x
>>>>>>>>>>>address for www.<both-domains>. Double-check your load balance
>>>>>>>>>>>records to make sure the preference values are correct.
>>>>>>>
>>>>>>>Note that, since the zone names don't (and can't) have
>>>>>>>>>>>load balance records, they still point to the 38.x.x.x address.
>>>>>>>
>>>>>>>Why do you have two load balance records, instead of one
>>>>>>>>>>>load balance record and one CNAME record?
>>>>>>>_______________________________________________________________
>>>>>>>>>_____
>>>>>>>Chris Buxton
>>>>>>>>>>>Men & Mice
>>>>>>>support@menandmice.com
>>>>>>>>>>>Making DNS Easy
>>>>>>>
>>>>>>>At 2:12 PM -0700 10/16/01, Ross Markbreiter wrote:
>>>>>>>>Hi Chris,
>>>>>>>>Some reason www.worldwidewebstore.com and
>>>>>>>>>worldwidewebstore.com
>>>>>>>>are going to the server with backup entry
>>>>>>>>I have 38.228.178.2 9999
>>>>>>>> 12.98.202.178 1
>>>>>>>>All www hits are going to the backup server?
>>>>>>>>Same for www.ciscorouter.com and ciscorouter.com
>>>>>>>>Can you see anything wrong?
>>>>>>>>Thanks Ross
>>>>>>>>
>>>>>>>>Ross Markbreiter
>>>>>>>>Director Sales
>>>>>>>>The World Wide Web Store, Inc
>>>>>>>>4351 Van Nuys Blvd.
>>>>>>>>Sherman Oaks, Ca 91403
>>>>>>>>http://www.worldwidewebstore.com
>>>>>>>>Ph:818-905-6787
>>>>>>>>Fax:818-905-6783
>>>>>>>>Toll Free-888-999-7522
>>>>>>>>ross@thewwwstore.com
>>>>>>
>>>>>>Ross Markbreiter
>>>>>>Director Sales
>>>>>>The World Wide Web Store, Inc
>>>>>>4351 Van Nuys Blvd.
>>>>>>Sherman Oaks, Ca 91403
>>>>>>http://www.worldwidewebstore.com
>>>>>>Ph:818-905-6787
>>>>>>Fax:818-905-6783
>>>>>>Toll Free-888-999-7522
>>>>>>ross@thewwwstore.com
>>>>
>>>>Ross Markbreiter
>>>>Director Sales
>>>>The World Wide Web Store, Inc
>>>>4351 Van Nuys Blvd.
>>>>Sherman Oaks, Ca 91403
>>>>http://www.worldwidewebstore.com
>>>>Ph:818-905-6787
>>>>Fax:818-905-6783
>>>>Toll Free-888-999-7522
>>>>ross@thewwwstore.com
>>
>>Ross Markbreiter
>>Director Sales
>>The World Wide Web Store, Inc
>>4351 Van Nuys Blvd.
>>Sherman Oaks, Ca 91403
>>http://www.worldwidewebstore.com
>>Ph:818-905-6787
>>Fax:818-905-6783
>>Toll Free-888-999-7522
>>ross@thewwwstore.com
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>Ross Markbreiter
>>>>>>>>>>>>>>>>Director Sales
>>>>>>>>>>>>>>>>The World Wide Web Store, Inc
>>>>>>>>>>>>>>>>4351 Van Nuys Blvd.
>>>>>>>>>>>>>>>>Sherman Oaks, Ca 91403
>>>>>>>>>>>>>>>>http://www.worldwidewebstore.com
>>>>>>>>>>>>>>>>Ph:818-905-6787
>>>>>>>>>>>>>>>>Fax:818-905-6783
>>>>>>>>>>>>>>>>Toll Free-888-999-7522
>>>>>>>>>>>>>>>>ross@thewwwstore.com
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>Ross Markbreiter
>>>>>>>>>>>>>>Director Sales
>>>>>>>>>>>>>>The World Wide Web Store, Inc
>>>>>>>>>>>>>>4351 Van Nuys Blvd.
>>>>>>>>>>>>>>Sherman Oaks, Ca 91403
>>>>>>>>>>>>>>http://www.worldwidewebstore.com
>>>>>>>>>>>>>>Ph:818-905-6787
>>>>>>>>>>>>>>Fax:818-905-6783
>>>>>>>>>>>>>>Toll Free-888-999-7522
>>>>>>>>>>>>>>ross@thewwwstore.com
>>>>>>>>>>>>
>>>>>>>>>>>>Ross Markbreiter
>>>>>>>>>>>>Director Sales
>>>>>>>>>>>>The World Wide Web Store, Inc
>>>>>>>>>>>>4351 Van Nuys Blvd.
>>>>>>>>>>>>Sherman Oaks, Ca 91403
>>>>>>>>>>>>http://www.worldwidewebstore.com
>>>>>>>>>>>>Ph:818-905-6787
>>>>>>>>>>>>Fax:818-905-6783
>>>>>>>>>>>>Toll Free-888-999-7522
>>>>>>>>>>>>ross@thewwwstore.com
>>>>>>>>>>
>>>>>>>>>>Ross Markbreiter
>>>>>>>>>>Director Sales
>>>>>>>>>>The World Wide Web Store, Inc
>>>>>>>>>>4351 Van Nuys Blvd.
>>>>>>>>>>Sherman Oaks, Ca 91403
>>>>>>>>>>http://www.worldwidewebstore.com
>>>>>>>>>>Ph:818-905-6787
>>>>>>>>>>Fax:818-905-6783
>>>>>>>>>> Toll Free-888-999-7522
>>>>>>>>>>ross@thewwwstore.com
>>>>>>>>
>>>>>>>>Ross Markbreiter
>>>>>>>>Director Sales
>>>>>>>>The World Wide Web Store, Inc
>>>>>>>>4351 Van Nuys Blvd.
>>>>>>>>Sherman Oaks, Ca 91403
>>>>>>>>http://www.worldwidewebstore.com
>>>>>>>>Ph:818-905-6787
>>>>>>>>Fax:818-905-6783
>>>>>>>> Toll Free-888-999-7522
>>>>>>>>ross@thewwwstore.com
>>>>>>
>>>>>>Ross Markbreiter
>>>>>>Director Sales
>>>>>>The World Wide Web Store, Inc
>>>>>>4351 Van Nuys Blvd.
>>>>>>Sherman Oaks, Ca 91403
>>>>>>http://www.worldwidewebstore.com
>>>>>>Ph:818-905-6787
>>>>>>Fax:818-905-6783
>>>>>> Toll Free-888-999-7522
>>>>>>ross@thewwwstore.com
>>>>
>>>>Ross Markbreiter
>>>>Director Sales
>>>>The World Wide Web Store, Inc
>>>>4351 Van Nuys Blvd.
>>>>Sherman Oaks, Ca 91403
>>>>http://www.worldwidewebstore.com
>>>>Ph:818-905-6787
>>>>Fax:818-905-6783
>>>> Toll Free-888-999-7522
>>>>ross@thewwwstore.com
>>
>>Ross Markbreiter
>>Director Sales
>>The World Wide Web Store, Inc
>>4351 Van Nuys Blvd.
>>Sherman Oaks, Ca 91403
>>http://www.worldwidewebstore.com
>>Ph:818-905-6787
>>Fax:818-905-6783
>> Toll Free-888-999-7522
>>ross@thewwwstore.com
>

Ross Markbreiter
Director Sales
The World Wide Web Store, Inc
4351 Van Nuys Blvd.
Sherman Oaks, Ca 91403
http://www.worldwidewebstore.com
Ph:818-905-6787
Fax:818-905-6783
Toll Free-888-999-7522
ross@thewwwstore.com


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